Calflora, a 501c3 non-profit
Distribution by County   4385    
Isopyrum occidentale  Hook. & Arn.

(not an active name)
Western false rue anemone
Isopyrum occidentale is a perennial herb that is native to California, and endemic (limited) to California.
also called Enemion occidentale
Record Count by County

Alameda: 10 Los Angeles: 12 San Luis Obispo: 4 Trinity: 1
Butte: 15 Madera: 1 Santa Barbara: 3 Tulare: 19
Calaveras: 2 Mariposa: 15 Santa Clara: 15 Tuolumne: 3
El Dorado: 14 Monterey: 7 Santa Cruz: 3 Ventura: 1
Fresno: 26 Nevada: 13 Shasta: 3 Yuba: 1
Humboldt: 1 Placer: 20 Siskiyou: 1
Kern: 51 Plumas: 2 Solano: 7
Lake: 1 San Benito: 1 Tehama: 5

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2025. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 03/09/2025).